A steroid produced in the adrenal gland that is a precursor to testosterone and other male hormones (androgens). Known popularly as andro, it has been used as a supplement to increase muscle strength. Taking andro raises testosterone levels above normal. Side effects include acne, male baldness, and a decrease in 'good' cholesterol (which [..]

Androstenedione is a steroid hormone most commonly used as a performance enhancing drug. It increases testosterone which increases energy, promotes muscle growth, speeds recovery, and increases perfor [..]

The chief sex hormone secreted by the human adrenal cortex. Androstenedione is responsible for the adult pattern of body hair in men and women.

A delta-4 C19 steroid that is produced not only in the Testis, but also in the Ovary and the Adrenal Cortex. Depending on the Tissue type, androstenedione can serve as a precursor to Testosterone as w [..]

A delta-4 C19 steroid that is produced not only in the TESTIS, but also in the OVARY and the ADRENAL CORTEX. Depending on the tissue type, androstenedione can serve as a precursor to TESTOSTERONE as w [..]

<chemical> An androgenic steroid produced by the testis, adrenal cortex, and ovary. It occurs in nature as 4-delta-androstenedione and 5-delta-androstenedione. Androstenediones can be converted metabolically to testosterone and other androgens. Chemical name: Androst-4-ene-3,17-dione (12 Dec 1998)

an androgenic hormone, secreted by the adrenocortex, ovary, and testis, less potent than testosterone.